title: [Initial results of the study of megaesophagus with technetium 99m scintigraphy. Preliminary note].
mesh_terms: D000328:Adult; D014355:Chagas Disease / Q000503:physiopathology*; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging*; D004943:Esophagogastric Junction / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D013667:Technetium
vernacular_title: Resultados iniciais do estudo de megaesôfago através de cintigrafia com tecnécio-99m. Nota prévia.